/*
 * Copyright (c) JForum Team
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, 
 * with or without modification, are permitted provided 
 * that the following conditions are met:
 * 
 * 1) Redistributions of source code must retain the above 
 * copyright notice, this list of conditions and the 
 * following  disclaimer.
 * 2)  Redistributions in binary form must reproduce the 
 * above copyright notice, this list of conditions and 
 * the following disclaimer in the documentation and/or 
 * other materials provided with the distribution.
 * 3) Neither the name of "Rafael Steil" nor 
 * the names of its contributors may be used to endorse 
 * or promote products derived from this software without 
 * specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT 
 * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, 
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 
 * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 
 * IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
 * 
 * Created on 02/10/2005 20:04:15
 * The JForum Project
 * http://www.jforum.net
 */
package net.jforum.view.forum;

import java.util.Iterator;
import java.util.List;

import net.jforum.Command;
import net.jforum.JForumExecutionContext;
import net.jforum.dao.DataAccessDriver;
import net.jforum.dao.ModerationLogDAO;
import net.jforum.dao.PostDAO;
import net.jforum.dao.TopicDAO;
import net.jforum.entities.ModerationLog;
import net.jforum.entities.Post;
import net.jforum.entities.Topic;
import net.jforum.repository.ForumRepository;
import net.jforum.repository.SecurityRepository;
import net.jforum.security.SecurityConstants;
import net.jforum.util.I18n;
import net.jforum.util.preferences.ConfigKeys;
import net.jforum.util.preferences.SystemGlobals;
import net.jforum.util.preferences.TemplateKeys;
import net.jforum.view.forum.common.PostCommon;
import net.jforum.view.forum.common.ViewCommon;

/**
 * @author Rafael Steil
 * @version $Id: ModerationAction.java,v 1.6 2007/07/28 14:17:09 rafaelsteil Exp
 *          $
 */
public class ModerationAction extends Command {
    /**
     * @throws UnsupportedOperationException
     *             always
     * @see net.jforum.Command#list()
     */
    public void list() {
	throw new UnsupportedOperationException();
    }

    public void showActivityLog() {
	if (!SecurityRepository
		.canAccess(SecurityConstants.PERM_MODERATION_LOG)) {
	    this.denied();
	    return;
	}

	ModerationLogDAO dao = DataAccessDriver.getInstance()
		.newModerationLogDAO();

	int start = ViewCommon.getStartPage();
	int recordsPerPage = SystemGlobals
		.getIntValue(ConfigKeys.TOPICS_PER_PAGE);

	List list = dao.selectAll(start, recordsPerPage);
	boolean canAccessFullModerationLog = SecurityRepository
		.canAccess(SecurityConstants.PERM_FULL_MODERATION_LOG);

	PostDAO postDao = DataAccessDriver.getInstance().newPostDAO();
	TopicDAO topicDao = DataAccessDriver.getInstance().newTopicDAO();

	for (Iterator iter = list.iterator(); iter.hasNext();) {
	    ModerationLog log = (ModerationLog) iter.next();

	    if (log.getPostId() > 0) {
		Post post = postDao.selectById(log.getPostId());

		if (post.getId() > 0
			&& ForumRepository.getForum(post.getForumId()) == null) {
		    iter.remove();
		    continue;
		}
	    } else if (log.getTopicId() > 0) {
		Topic topic = topicDao.selectRaw(log.getTopicId());

		if (topic.getId() > 0
			&& ForumRepository.getForum(topic.getForumId()) == null) {
		    iter.remove();
		    continue;
		}
	    }

	    if (log.getOriginalMessage() != null && canAccessFullModerationLog) {
		Post post = new Post();
		post.setText(log.getOriginalMessage());

		log.setOriginalMessage(PostCommon.preparePostForDisplay(post)
			.getText());
	    }
	}

	this.setTemplateName(TemplateKeys.MODERATION_SHOW_ACTIVITY_LOG);
	this.context.put("activityLog", list);
	this.context.put("canAccessFullModerationLog",
		canAccessFullModerationLog);

	int totalRecords = dao.totalRecords();

	ViewCommon.contextToPagination(start, totalRecords, recordsPerPage);
    }

    private void denied() {
	this.setTemplateName(TemplateKeys.MODERATION_LOG_DENIED);
	this.context.put("message", I18n.getMessage("ModerationLog.denied"));
    }

    public void doModeration() {
	String returnUrl = this.request.getParameter("returnUrl");

	new ModerationHelper().doModeration(returnUrl);

	this.context.put("returnUrl", returnUrl);

	if (JForumExecutionContext.getRequest().getParameter("topicMove") != null) {
	    this.setTemplateName(TemplateKeys.MODERATION_MOVE_TOPICS);
	}
    }

    public void moveTopic() {
	new ModerationHelper().moveTopicsSave(this.request
		.getParameter("returnUrl"));
    }

    public void moderationDone() {
	this.setTemplateName(new ModerationHelper().moderationDone(this.request
		.getParameter("returnUrl")));
    }
}
